import java.lang.reflect.Array;
import java.util.Arrays;

public class TestStudent {
    public static void main(String[] args) {
        Mfiv m=new Mfiv();
        Student[] students=new Student[20];

        for (int i=0;i<20;i++){
        int id=(int)(Math.random()*20);
        int grade=(int)(Math.random()*4);
        int score=(int)(Math.random()*100);
     students[i]=new Student(id,grade,score);
   }

        int tmp = 0; //中间的临时变量
      m.mofiv(students);
      m.sofe(students);
        System.out.println("6666");
      m.nos(students);




        }
    }

